Molding material having superior buffering character

Details Molding material having superior buffering character Molding material having superior buffering character

1975-07-21

1977-05-31

Foelak, Morton

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4224, 260 4242, C08J 910

Patent

active

040268411

ABSTRACT:
A molding material having superior buffering character, moldability and dimensional stability obtained by incorporating a copolymer composed predominantly of polyethylene or ethylene with an inorganic filler blend comprising sand with an average particle size of 100 to 500 microns and calcium sulfite, and foaming the resulting composition. A molded product having a lustrous and beautiful superficial coating can be obtained by pressing the aforementioned foamed body while it is still hot against a smooth cool solid surface and cooling the foamed body down to a temperature below its softening point. Further, the aforementioned molding material is useful for packings, mattresses and lightweight construction materials.

REFERENCES:
patent: 2993799 (1961-01-01), Blake
patent: 3862963 (1975-01-01), Hoshi et al.
"Smiths College Chemistry", by Ehret, 6th Ed., 1946, p. 460.

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